public KnownUOM FindFromDimensions(Dimensions dimensions, bool bAllowCreate, out bool wasCreated, string name = null)
{
if (bAllowCreate && !IsConsistent())
{
bAllowCreate = false; // Only makes sense to create base units in a consistent set
}
wasCreated = false;
if (dimensions == null)
{
return(null);
}
foreach (var item in KnownUOMs)
{
if (item.Dimensions.Equals(dimensions))
{
return(item);
}
}
if (bAllowCreate && IsConsistent() && !Dimensions.IsDimenionless(dimensions))
{
wasCreated = true;
string sName = name;
if (string.IsNullOrEmpty(sName))
{
string sTop = "";
string sBottom = "";
AddUomStringPart(DimType.Mass, dimensions.Mass, ref sTop, ref sBottom);
AddUomStringPart(DimType.Length, dimensions.Length, ref sTop, ref sBottom);
AddUomStringPart(DimType.Time, dimensions.Time, ref sTop, ref sBottom);
AddUomStringPart(DimType.ElectricCurrent, dimensions.ElectricCurrent, ref sTop, ref sBottom);
AddUomStringPart(DimType.Temperature, dimensions.Temperature, ref sTop, ref sBottom);
AddUomStringPart(DimType.QuantityOfSubstance, dimensions.QuantityOfSubstance, ref sTop, ref sBottom);
AddUomStringPart(DimType.Luminosity, dimensions.Luminosity, ref sTop, ref sBottom);
AddUomStringPart(DimType.PlaneAngle, dimensions.PlaneAngle, ref sTop, ref sBottom);
AddUomStringPart(DimType.SolidAngle, dimensions.SolidAngle, ref sTop, ref sBottom);
AddUomStringPart(DimType.Currency, dimensions.Currency, ref sTop, ref sBottom);
sName = string.Format("{0}{1}{2}", (sTop.Length == 0 ? "1" : sTop), (sBottom.Length == 0 ? "" : "/"), (sBottom.Length == 0 ? "" : sBottom));
}
KnownUOM uom = new KnownUOM("", dimensions, Name: sName, Description: sName, Symbol: sName,
IsBase: true, BaseUOM: null, AFactor: 0, BFactor: 1, CFactor: 1, DFactor: 0);
KnownUOMs.Add(uom);
return(uom);
}
else
{
return(ParentUomSet?.FindFromDimensions(dimensions, bAllowCreate, out wasCreated));
}
return(null);
}
public ParamType(string packageName, string name, string description, string siBaseUom, Dimensions dimensions, int popularity)
{
Name = name;
Description = description;
Dimensions = dimensions;
Popularity = popularity;
PackageName = packageName;
if (!Dimensions.IsDimenionless(dimensions))
{
Result <KnownUOM> r_SIBaseUom = ContentManager.SiBaseUomFromDimensions(dimensions, siBaseUom);
if (r_SIBaseUom.IsGood())
{
SIBaseUom = r_SIBaseUom.Value;
}
else
{
throw new UnspecifiedException(r_SIBaseUom.Message);
}
}
}
} // Safe symbol to use in pure text scenarios
// ---------------------------
/// <summary>
/// Calculate the function as much as possible.
/// For 'NormalFunction' objects we expect that the result is calculated from the args, and we do not change the args.
/// However, this is not enforced at this time.
/// Special sub-types, such as 'FnEquals', behave differently.
///
/// Args will be converted to a consistent UOMSet, unless they are all UOMless, before calling the actual function calc.
/// If the function requires any other specific UOM it must do the conversion itself.
/// </summary>
/// <param name="args"></param>
/// <returns></returns>
public CalcQuantity Calculate(IList <CalcQuantity> args)
{
CalcQuantity result = new CalcQuantity();
try
{
// ------------------- Loop through all the args, checking and converting
UOMSet uomSet = null;
IList <CalcQuantity> convertedArgs = new List <CalcQuantity>();
bool bStarted = false;
for (int i = 0; i < args.Count; i++)
{
CalcQuantity arg = args[i];
// ------------------- Check for a Bad or missing value
if (IsNormalFunction) // Otherwise more flexibility is allowed so we can't demand that all args are known before calculation
{
switch (arg.CalcStatus)
{
case CalcStatus.Uknown:
case CalcStatus.Bad:
result.CalcStatus = arg.CalcStatus; result.Message = "Missing or bad arguments";
return(result);
default:
break;
}
}
// ------------------- Convert the arg to the same UOMSET
CalcQuantity convertedArg = new CalcQuantity(arg);
bool bDimLess = Dimensions.IsDimenionless(convertedArg?.AnonUOM?.Dimensions);
if (!bDimLess)
{
if ((uomSet == null) & (!bStarted || !IsNormalFunction))
{
bStarted = true;
uomSet = convertedArg?.AnonUOM?.UOMSet;
}
else if (IsNormalFunction && (convertedArg?.AnonUOM?.UOMSet != uomSet))
{
if ((uomSet == null) || (convertedArg?.AnonUOM?.UOMSet == null))
{
result.CalcStatus = CalcStatus.Bad; result.Message = "Some arguments have units while others do not"; // They must all have a specified UOMSet, or none of them have
return(result);
}
else
{
// Convert to the uomSet used by other args
AnonUOM argUOM = convertedArg.AnonUOM;
convertedArg.Value = argUOM.UOMSet.Convert(arg.Value, argUOM.Dimensions, uomSet);
convertedArg.AnonUOM = new AnonUOM(argUOM.Dimensions, uomSet);
}
}
}
convertedArgs.Add(convertedArg);
}
// ------------------- Call the concrete implementations to actually do the calcualtion
result = Calculate_Here(convertedArgs, uomSet);
if (!IsNormalFunction) // Then some args might have been changed by the calculation (e.g. assignment in FnEquals)
{
for (int i = 0; i < convertedArgs.Count; i++)
{
convertedArgs[i].CopyMe(args[i]);
}
}
}
catch (Exception)
{
return(new CalcQuantity(0, CalcStatus.Bad, "Unexpected failure", null));
}
return(result);
}
